1
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following statements about $$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$$ is $$\underline{\text { NOT }}$$ true?

A
In this electrons are paired prior to hybridization.
B
Ni undergoes $$\mathrm{dsp}^2$$ hybridization.
C
Oxidation state of $$\mathrm{Ni}$$ is +6 .
D
It is a square planar complex.
2
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Formation of $$\mathrm{NO}_{2(\mathrm{g})}$$ from $$\mathrm{N}_{2(\mathrm{g})}$$ and $$\mathrm{O}_{2(\mathrm{g})}$$ is an endothermic process. Which of the following is true for this reaction?

A
$$\Delta \mathrm{H}=0$$
B
$$\Delta \mathrm{H}<0$$
C
$$\Delta \mathrm{H}=\Delta \mathrm{U}$$
D
$$\Delta \mathrm{H}>0$$
3
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify reducing agent in following reaction

$$\mathrm{H}_2 \mathrm{O}_{2(\mathrm{ag})}+\mathrm{ClO}_{4(\mathrm{aq})}^{-} \rightarrow \mathrm{ClO}_{2(\mathrm{aq})}^{-}+\mathrm{O}_{2(\mathrm{g})}$$

A
$$\mathrm{ClO}_{2(a q)}^{-}$$
B
$$\mathrm{H}_2 \mathrm{O}_{2 \text { (aq) }}$$
C
$$\mathrm{ClO}_{4(a q)}^{-}$$
D
$$\mathrm{O}_{2(\mathrm{g})}$$
4
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the type of unit cell that has particles at the centre of each face in addition to the particles at eight corners of a cube?

A
Face centred cubic unit cell
B
Hexagonal unit cell
C
Simple cubic unit cell
D
Body centred cubic unit cell
MHT CET Papers
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12